package user;

import book.BookList;

public abstract class User {
    protected String name;

    public IOPeration[] ioPerations;//这里不初始化 接口数组

    public User(String name) {
        this.name = name;
    }

    public abstract int menu();

    public void doOperation(int choice, BookList bookList){
        ioPerations[choice].work(bookList);
    }
}
